Oil Pump Body Assemble

Special Tools

• J 25016:  Pump Seal and Speedometer Gear Installer
• J 36850:  Transjel Lubricant

Fig 1: Installing Oil Seal Assembly
Courtesy of GENERAL MOTORS CORP.
1. Using the J 25016:  gear installer (1), install the oil seal assembly (243).
Fig 2: View Of Fluid Seal Retainer
Courtesy of GENERAL MOTORS CORP.
2. Install the fluid seal retainer (244).
Fig 3: Identifying O-Ring Seal & Oil Seal Ring
Courtesy of GENERAL MOTORS CORP.
3. Install an O-ring seal (202) and oil seal ring (201) into the groove on the back side of the pump slide (203).
4. Use J 36850:  transjel lubricant, or an equivalent, to retain the seal and the ring on the slide.
5. Install the pivot pin spring (204) into the pump body pocket.
6. Install the seal support (208) and the pump slide seal (209) into the pump slide (203). Retain with J 36850:  transjel lubricant or equivalent.
7. Install the pump slide (203).

   The oil seal ring must face downward into the pump pocket.

8. Install the pivot pin (205), index the slide notch with the pivot pin.
Fig 4: Identifying Fluid Pump slide Outer Spring
Courtesy of GENERAL MOTORS CORP.
9. Install the fluid pump slide outer spring (245).
Fig 5: Identifying Oil Pump Rotor & Pump Vane Rings
Courtesy of GENERAL MOTORS CORP.
10. Install the rotor guide (211) and the bottom pump vane ring (210) into the rotor (212) and retain with J 36850:  transjel lubricant or an equivalent.
11. Install the rotor (212) with the rotor guide (211) toward the pump pocket.
12. Install the pump vanes (213). Ensure the vanes are flush with the oil pump body surface.
13. Install the top pump vane ring (210).